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bcachefs: fix ifdef for x86_64 asm

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The implementation of prefetch_four_cachelines should use ifdef
CONFIG_X86_64 to conditionally compile x86_64 asm.

Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Dan Robertson
2021-07-02 21:22:06 -04:00
committed by Kent Overstreet
parent 32abe2e38f
commit 6f152b0f37
1 changed files with 1 additions and 1 deletions
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2
fs/bcachefs/bset.c
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@@ -1181,7 +1181,7 @@ static struct bkey_packed *bset_search_write_set(const struct btree *b,
static inline void prefetch_four_cachelines(void *p)
{
#if CONFIG_X86_64
#ifdef CONFIG_X86_64
asm("prefetcht0 (-127 + 64 * 0)(%0);"
"prefetcht0 (-127 + 64 * 1)(%0);"
"prefetcht0 (-127 + 64 * 2)(%0);"